Reply by unclearthur

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Posted on Glue up pressure and number of clamps?????

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351 posts in 2517 days

#1 posted 01-18-2018 05:44 AM

In theory: For the OP’s cutting board, 18” long, say 1 1/2” thick, would make it 27 square inches of glue area. For an average pressure of 250 psi, you then need a total of 27*250 = 6,750 lbs clamping force. So about 12 F clamps (or 6 bar clamps).

Which would make it an F clamp every 1 1/2” ....... which seems over the top to me.

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